src/unix/stdpaths.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        unix/stdpaths.cpp
   3 // Purpose:     wxStandardPaths implementation for Unix & OpenVMS systems
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     2004-10-19
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2004 Vadim Zeitlin <vadim@wxwindows.org>
   9 // License:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // for compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_STDPATHS
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/app.h"
  31 #endif //WX_PRECOMP
  32
  33 #include "wx/filename.h"
  34
  35 #include "wx/stdpaths.h"
  36
  37 #if defined( __LINUX__ ) || defined( __VMS )
  38     #include <unistd.h>
  39 #endif
  40
  41 // ============================================================================
  42 // common VMS/Unix part of wxStandardPaths implementation
  43 // ============================================================================
  44
  45 void wxStandardPaths::SetInstallPrefix(const wxString& prefix)
  46 {
  47     m_prefix = prefix;
  48 }
  49
  50 wxString wxStandardPaths::GetUserConfigDir() const
  51 {
  52     return wxFileName::GetHomeDir();
  53 }
  54
  55 wxString wxStandardPaths::GetPluginsDir() const
  56 {
  57     return wxString();
  58 }
  59
  60 // ============================================================================
  61 // wxStandardPaths implementation for VMS
  62 // ============================================================================
  63
  64 #ifdef __VMS
  65
  66 wxString wxStandardPaths::GetInstallPrefix() const
  67 {
  68     if ( m_prefix.empty() )
  69     {
  70         wx_const_cast(wxStandardPaths *, this)->m_prefix = wxT("/sys$system");
  71     }
  72 }
  73
  74 wxString wxStandardPaths::GetConfigDir() const
  75 {
  76    return _T("/sys$manager");
  77 }
  78
  79 wxString wxStandardPaths::GetDataDir() const
  80 {
  81    return AppendAppName(GetInstallPrefix() + _T("/sys$share"));
  82 }
  83
  84 wxString wxStandardPaths::GetLocalDataDir() const
  85 {
  86    return AppendAppName(_T("/sys$manager"));
  87 }
  88
  89 wxString wxStandardPaths::GetUserDataDir() const
  90 {
  91    return wxFileName::GetHomeDir();
  92 }
  93
  94 #else // !__VMS
  95
  96 // ============================================================================
  97 // wxStandardPaths implementation for Unix
  98 // ============================================================================
  99
 100 wxString wxStandardPaths::GetInstallPrefix() const
 101 {
 102     if ( m_prefix.empty() )
 103     {
 104         wxStandardPaths *pathPtr = wx_const_cast(wxStandardPaths *, this);
 105
 106 #ifdef __LINUX__
 107         // under Linux, we can try to infer the prefix from the location of the
 108         // executable
 109         char buf[4096];
 110         int result = readlink("/proc/self/exe", buf, WXSIZEOF(buf) - sizeof(char));
 111         if ( result != -1 )
 112         {
 113             buf[result] = '\0'; // readlink() doesn't NUL-terminate the buffer
 114
 115             const wxString exeStr(buf, wxConvLibc);
 116
 117             // consider that we're in the last "bin" subdirectory of our prefix
 118             size_t pos = exeStr.rfind(wxT("/bin/"));
 119             if ( pos != wxString::npos )
 120                 pathPtr->m_prefix.assign(exeStr, 0, pos);
 121         }
 122 #endif // __LINUX__
 123
 124         if ( m_prefix.empty() )
 125         {
 126             pathPtr->m_prefix = wxT("/usr/local");
 127         }
 128     }
 129
 130     return m_prefix;
 131 }
 132
 133 // ----------------------------------------------------------------------------
 134 // public functions
 135 // ----------------------------------------------------------------------------
 136
 137 wxString wxStandardPaths::GetConfigDir() const
 138 {
 139    return _T("/etc");
 140 }
 141
 142 wxString wxStandardPaths::GetDataDir() const
 143 {
 144    return AppendAppName(GetInstallPrefix() + _T("/share"));
 145 }
 146
 147 wxString wxStandardPaths::GetLocalDataDir() const
 148 {
 149    return AppendAppName(_T("/etc"));
 150 }
 151
 152 wxString wxStandardPaths::GetUserDataDir() const
 153 {
 154    return AppendAppName(wxFileName::GetHomeDir() + _T("/."));
 155 }
 156
 157 #endif // __VMS/!__VMS
 158
 159 #endif // wxUSE_STDPATHS